Update GitHub Actions workflows. (#276) #129

Job	Run time
prerequisites	1m 53s
License Check / License Check	22s
lint / lint	45s
generate_coverage_data	1m 32s
build_sdk (nodejs)	1m 22s
build_sdk (python)	1m 12s
build_sdk (dotnet)	1m 27s
build_sdk (go)	1m 38s
build_sdk (java)	3m 59s
test (nodejs)	3m 26s
test (python)	2m 52s
test (dotnet)	2m 29s
test (go)	2m 30s
test (java)	2m 28s
publish	6m 14s
publish_sdk	15s
Tag release if labeled as needs-release	0s
	34m 24s

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